Are orcas dolphins?

The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. read more

Orcas, also known as killer whales, are are the largest member of the dolphin family. Threats to orcas include hunting and captivity. read more

Although orcas are the largest dolphin species, they are dwarfed by the largest baleen whales, including the blue whale, which is the largest animal in the world. The major physical feature that ensures orcas are dolphins is the presence of a melon. read more